The Murder: Mass shooting. Who: Everyone in a diner, except one. By Whom: Mickey Knox and Mallory. Motive: Mallory was sexually harassed, which initiates their killing spree. What Makes It Insane? The couple playseeny meeny miny moe to decide who lives or who dies, eventually allowing one patron to survive. They tell the one survivor their name so that the media finds out about them and then declare their undying love for each other. If that's not insane, what is?